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How to distinguish between true and false calcium stearate?
Release Time:
2023-03-09
In some workflows, calcium stearate plays a very important role. When purchasing calcium stearate, users should learn to distinguish the true from the false, so as not to affect the quality of the product. So, what is the method to distinguish calcium stearate ?Next, Shandong calcium stearate manufacturers will introduce to you:
In some workflows, calcium stearate plays a very important role. When purchasing calcium stearate, users should learn to distinguish the true from the false, so as not to affect the quality of the product. So, what is the method to distinguish calcium stearate ?Next, Shandong calcium stearate manufacturers will introduce to you:
1. Calcium stearate production method:
The production process of calcium stearate is divided into dry production and saponification method. The PH of calcium stearate obtained by dry method is alkaline, and the pH of calcium stearate obtained by saponification method is neutral.
2. Phenolphthalein indicator test:
If calcium stearate is prepared by dry method, the pH is alkaline, and the actual color is red. If calcium stearate is saponified, it will not change color.
3. Heating method:
Add calcium stearate to the beaker, then heat it, if it becomes a slurry, it indicates that the calcium stearate is fake.
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